What impact do firewalls have on EZproxy?
This question really breaks into two parts: firewalls at your institution and firewalls at the remote user’s site. Ultimately, unless your remote user can access the ports used by EZproxy, the remote user will not be able to access EZproxy. Firewalls at your institution If you have a firewall at your institution, it must be configured to allow web requests to get to EZproxy. Exactly which ports are used was discussed above. If you also use Network Address Translation (NAT), you should review additional information here. Firewalls at the remote user’s site Most ISPs do not limit the areas their users can access on the Internet, so home users do not tend to encounter problems with firewalls. However, corporate sites often do employ firewalls and may be highly restrictive in what their employees can access. If you provide content for a given corporate site, the corporate site may be willing to open access through their firewall to your EZproxy server. However, if a corporate site refuses
